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Finding the Fourth Proportional to 275,414.44, 380,049.22 and 194,889.16

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Solution

The fourth proportional to 275,414.44, 380,049.22 and 194,889.16 is: 268,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,414.44 : 380,049.22 = 194,889.16 : x
  2. Step 2: Convert to fraction form
    275,414.44/380,049.22 = 194,889.16/x
  3. Step 3: Cross multiply
    275,414.44x = 380,049.22 × 194,889.16
  4. Step 4: Simplify right side
    275,414.44x = 74,067,473,244.46
  5. Step 5: Solve for x
    x = 74,067,473,244.46/275,414.44
  6. Step 6: Final answer
    x = 268,930.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.